Skinwalker Ranch (2013) on Netflix

Plot summary

The Skinwalker Ranch, a property in Utah, has a long reputation for odd events, among them reported UFO sightings and mutilated livestock. Word of these happenings has spread among people who follow the paranormal. When ranch owner Hoyt's son Cody goes missing, a team of investigators is sent to the site to film what happens there and to search for the boy, setting up cameras across the land. The recordings show a string of disturbing incidents. A Native American man approaches the crew with a warning that their lives are at risk. The group begins to argue over how far the work should go and whether the answers justify the danger.